<van-field 
name="{{myItem.propValues.[1].value}}"
label="{{myItem.propValues.[1].value}}"
required="{{myItem.propValues.[2].value}}">
    <template #input>
      <van-checkbox-group v-model="model{{myItem.id}} direction="horizontal" @change="changeCheckGroup{{myItem.id}}">
        <van-checkbox name="1">复选框1</van-checkbox>
        <van-checkbox name="2">复选框2</van-checkbox>
      </van-checkbox-group>
    </template>
</van-field>